Vehicle horn



FIG. 1 is a top plan view of a vehicle horn in accordance with my new design;

FIG. 2 is a fragmentary side elevational view thereof, the trumpets being fragmentarily shown for convenience of illustration;

FIG. 3 is a fragmentary front-perspective view thereof, the trumpets being omitted for purposes of disclosure; and

FIG. 4 is a fragmentary rear-perspective view thereof, the trumpets being omitted for convenience of illustration. 

The ornamental design for a vehicle horn, as shown and described. 